diff --git a/src/tests/util/test_app.rs b/src/tests/util/test_app.rs
index 016dd80bb51..e6869693fee 100644
--- a/src/tests/util/test_app.rs
+++ b/src/tests/util/test_app.rs
@@ -403,7 +403,7 @@ fn simple_config() -> config::Server {
             url: String::from("invalid default url").into(),
             read_only_mode: false,
             pool_size: 3,
-            async_pool_size: 2,
+            async_pool_size: 3,
             min_idle: None,
         },
         replica: None,